Home / 103,090.08-154,654.56-40,765.44

Finding the Fourth Proportional to 103,090.08, 154,654.56 and 40,765.44

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Solution

The fourth proportional to 103,090.08, 154,654.56 and 40,765.44 is: 61,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,090.08 : 154,654.56 = 40,765.44 : x
  2. Step 2: Convert to fraction form
    103,090.08/154,654.56 = 40,765.44/x
  3. Step 3: Cross multiply
    103,090.08x = 154,654.56 × 40,765.44
  4. Step 4: Simplify right side
    103,090.08x = 6,304,561,186.41
  5. Step 5: Solve for x
    x = 6,304,561,186.41/103,090.08
  6. Step 6: Final answer
    x = 61,155.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.